NKO Atomic Clock

Current time in milliseconds unit, dday remaining time calculator, elapsed time, stopwatch, server time checker

☞ Install NKO Atomic Clock(Android app) at Google Playstore
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http://sports.isdc.co.kr/lecture/detail/index/SIMC01/1001/00890/I001067 server time check history

  • 2018-04-23 04:16:50 KST -0.006436
  • 2018-04-19 21:38:16 KST 0.016493
  • 2018-04-17 06:30:03 KST 0.040633
  • 2018-04-14 23:42:53 KST -0.001879
  • 2018-04-07 04:28:48 KST 0.046534
  • 2018-04-03 08:05:00 KST 0.052044
  • 2018-04-03 02:22:58 KST -0.002580
  • 2018-03-30 09:44:05 KST -0.145010
  • 2018-03-30 03:20:07 KST 0.017508
  • 2018-03-26 07:13:29 KST 0.126237
  • Average 0.0143544

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We fetch a server clock and let you see

Webservers transmit their time in seconds unit, so without special treatment, the maximum error would be as big as 1 second. NKO Atomic Clock calculates a server time more than ten times in 1 second and seize the moment when the second changes. Thus we can minimize the calculation error as small as 0.1 second. Moreover, delays between our server and a destination server are considered so the accuracy of time increases.

NKO supports the HTTPS protocol and subdomains

Some servers use different servers over protocols or subdomains. You can get a desired result by specifying more details.


# You need to tell us an exact server address. For example, some sites host differently by whether the address begin with WWW or not.

# Even if your computer clock isn't synchronized, NKO always will display correct time.

# If you click a numeric time error in the history view, the clock will use that measurement.

# The results can have quite much error if the destination server is under load balancing. Please refer to a variance in the server time history information.

# A particular service uses its own time clock, different with web servers' clock. in this case, server time guessing is not meaningful.